<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="/templates/css/style.css">

    {% block head %}
    {% endblock %}
</head>
<body>
    <nav>
        <a href="/">首页</a>
        <a href="/zhengzhou">郑州查询</a>
    </nav>
{%block content%}

{%endblock%}

</body>
</html>